URGENT ¥¥¥ French construction firms evacuate staff from Chernobyl

French construction firms Vinci and Bouygues said Wednesday they had evacuated as a precaution around 80 employees from the Chernobyl nuclear power plant in Ukraine after a section of the roof collapsed.

The two companies are working on constructing the sarcophagus structure covering the reactor that exploded in 1986 in the world's worst nuclear disaster.